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/
public.go
86 lines (71 loc) · 2.72 KB
/
public.go
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// Copyright (c) 2018 Joyent, Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
// OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
// OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
// SUCH DAMAGE.
package genmac
import (
"net"
"github.com/freebsd/freebsd/libexec/go/src/go.freebsd.org/sys/vpc"
"github.com/joyent/freebsd-vpc/internal/command"
"github.com/olekukonko/tablewriter"
"github.com/sean-/conswriter"
"github.com/spf13/cobra"
)
const (
cmdName = "genmac"
)
var Cmd = &command.Command{
Name: cmdName,
Cobra: &cobra.Command{
Use: cmdName,
Short: "generate a random VPC ID and MAC address for a VPC Hostif Interface",
SilenceUsage: true,
Args: cobra.NoArgs,
PreRunE: func(cmd *cobra.Command, args []string) error {
return nil
},
RunE: func(cmd *cobra.Command, args []string) error {
cons := conswriter.GetTerminal()
table := tablewriter.NewWriter(cons)
table.SetHeaderAlignment(tablewriter.ALIGN_LEFT)
table.SetHeaderLine(false)
table.SetAutoFormatHeaders(true)
table.SetColumnAlignment([]int{tablewriter.ALIGN_LEFT, tablewriter.ALIGN_RIGHT, tablewriter.ALIGN_RIGHT})
table.SetBorders(tablewriter.Border{Left: true, Top: false, Right: true, Bottom: false})
table.SetCenterSeparator("")
table.SetColumnSeparator("")
table.SetRowSeparator("")
table.SetHeader([]string{"id", "mac"})
id := vpc.GenID(vpc.ObjTypeHostif)
var macAddr net.HardwareAddr = id.Node[:]
table.Append([]string{
id.String(),
macAddr.String(),
})
table.Render()
return nil
},
},
Setup: func(self *command.Command) error {
return nil
},
}